‘Quién Será’ was originally composed by Pablo Beltrán Ruiz and Luis Demetrio (Mexico) in 1953. The song was made popular by the english version, ‘Sway‘, of Dean Martin. Below you can listen the original version of the song recorded on vinyl and taken from ‘Al Sur De la Frontera’ (At the south of the border) album of Pablo Beltrán Ruiz and his orchestra.
The lyrics of the english version, ‘Sway’, were written by Norman Gimbel and recorded by Dean Martin in 1954: